Alchemade Copper Barrel Mug for Moscow Mules - 16 oz - 100% Pure Hammered Copper - Heavy Gauge - No lining - includes FREE E-Recipe book COPPER MUG FOR MOSCOW MULES: 16 oz. cup keeps your drink cold all the way to the last drop. BARREL MUG: Best selling classic design FOOD SAFE LAQUER COATING: Preserves beauty and shine, not tainted by nickel or steel. HAND WASH: Pure copper is easily tarnished and should be washed with water and soap only. Order with confidence - Alchemade is a trusted brand and we offer a 100% Satisfaction and Moneyback Guarantee! Great for Any Cold Beverage 16 Oz Capacity Welded Mug Handle Authentic, Classic, and Impressive Finish 100% Pure Copper Hand-Made Artisan Construction Food-Safe Lacquer Coating Resists Tarnishing Seamless Hygienic Interior Measures 4.5&#034; high x 3.75&#034; wide, excluding the handle. After each use, clean with warm water and soft soap. No hard chemicals or detergents. Dry the copper mug with soft cloth. Do not leave your drink in the cup overnight to avoid stains. Do not use in microwave or dishwasher.